Test Bank For Introductory Chemistry A Foundation 7th Edition by Steven S. Zumdahl
Chapter 02 – Measurements and Calculations
1. Express 1840000 in scientific notation.
a.
5.41 × 10–8
b.
1.84 × 10–6
c.
1.84 × 106
d.
184 × 106
e.
184 × 104
ANS:CPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
2. Express 30523000 in scientific notation.
a.
3 × 107
b.
3.0523 × 107
c.
305 × 107
d.
30523 × 103
e.
305230 × 107
ANS:BPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
3. Write 8,394 in standard scientific notation.
a.
8394
b.
8.394 × 10–3
c.
839.4 × 101
d.
8.394 × 1000
e.
8.394 × 103
ANS:EPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
4. The number 0.00003009 expressed in exponential notation is
a.
3.009 × 10–5
b.
3.0 × 10–5
c.
3.009 × 105
d.
3.009 × 10–4
e.
3.009
ANS:APTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
5. The number 0.002 expressed in exponential notation is
a.
2 × 103
b.
2 × 104
c.
2 × 10–3
d.
2 × 10–4
e.
none of these
ANS:CPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
6. The number 0.00215 expressed in exponential notation is
a.
2.15 × 103
b.
2.15 × 10–2
c.
215 × 103
d.
2.15 × 102
e.
2.15 × 10–3
ANS:EPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
7. The number 0.005837 expressed in scientific notation is
a.
5.84 × 103
b.
5.837 × 103
c.
5.84 × 10–3
d.
5.837 × 10–3
e.
5837 × 10–6
ANS:DPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
8. The number 600,000 expressed in scientific notation is
a.
6.0 × 105
b.
6.0 × 10–5
c.
60 × 104
d.
600 × 103
e.
6 × 105
ANS:EPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
9. Express the number 178481 in scientific notation.
a.
1.78481 × 10–5
b.
1.78481 × 105
c.
1.78 × 105
d.
178.481 × 103
e.
1.8 × 10–5
ANS:BPTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
10. Express the number 0.00395 in scientific notation.
a.
3.95 × 10–3
b.
3.95 × 103
c.
0.395 × 10–3
d.
395 × 10–5
e.
none of these
ANS:APTS:1DIF:easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC:general chemistry
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